Home / 7,078.59-9,757.67-4,716.63

Finding the Fourth Proportional to 7,078.59, 9,757.67 and 4,716.63

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Solution

The fourth proportional to 7,078.59, 9,757.67 and 4,716.63 is: 6,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.59 : 9,757.67 = 4,716.63 : x
  2. Step 2: Convert to fraction form
    7,078.59/9,757.67 = 4,716.63/x
  3. Step 3: Cross multiply
    7,078.59x = 9,757.67 × 4,716.63
  4. Step 4: Simplify right side
    7,078.59x = 46,023,295.47
  5. Step 5: Solve for x
    x = 46,023,295.47/7,078.59
  6. Step 6: Final answer
    x = 6,501.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.